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Bowers & Wilkins 603 S3

Tower speaker · 600 Series series

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The Bowers & Wilkins 603 S3 is an 8 Ω tower speaker rated 90 dB (2.83 V, 1 m), with a recommended 30–200 W amplifier. Of the 29 receivers and amps in our catalogue, 29 are rated to drive it.

$2,700 a pair (MSRP, September 2026)

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Receivers and amplifiers for the 603 S3

Each pairing is checked by our compatibility engine: the speaker's impedance against the amplifier's rated minimum, and height decoding for height speakers. Whether it plays loud enough depends on how far you sit, which the 3D editor works out for your room.

Rated to drive it (29)

603 S3 specifications

Impedance8 Ω
Sensitivity90 dB (2.83 V, 1 m)
Low end46 Hz
Drivers1 × 25 mm, 1 × 150 mm, 2 × 165 mm
Size10×40×16 in
Recommended amplifier power30–200 W
Weight27.5 kg (60.6 lb)
MSRP$2,700 a pair (MSRP, September 2026)

Every value comes from the sources under References, last retrieved September 15, 2026. To check it against the rest of your system, use the compatibility checker.

Questions about the 603 S3

What receiver do I need for the 603 S3?
One rated for 8 Ω speakers. In our catalogue, Denon AVR-S570BT, Emotiva BasX A-700 and Yamaha RX500A are rated to drive it.
Is the 603 S3 4 ohm or 8 ohm?
The Bowers & Wilkins 603 S3 has a nominal impedance of 8 Ω. Use a receiver or amplifier rated down to 8 Ω or lower.
How much power does the 603 S3 need?
Bowers & Wilkins recommends an amplifier of 30–200 W. Its sensitivity is 90 dB (2.83 V, 1 m). How much of that you use depends on how far you sit and how loud you listen, which the 3D editor works out for your room.
How low does the 603 S3 go?
The Bowers & Wilkins 603 S3 is rated down to 46 Hz. Below that, a subwoofer takes over; where the bass actually lands depends on your room's modes.
How big is the 603 S3?
The Bowers & Wilkins 603 S3 measures 260 × 1020 × 402 mm (10.2 × 40.2 × 15.8 in, width × height × depth) and weighs 27.5 kg (60.6 lb).

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References

  1. Bowers & Wilkins 603 S3: Spec sheet, bowerswilkins.com, retrieved September 15, 2026
  2. Bowers & Wilkins 603 S3: Manufacturer product page, bowerswilkins.com, retrieved September 15, 2026

Brand names are trademarks of their owners. Not affiliated with or endorsed by any manufacturer. 3D models are our approximations. Prices are manufacturer list prices (MSRP) as of the month shown. How we earn from buy links: affiliate disclosure.